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Some Great Open Source Intrusion Detection Systems (IDS)

Intrusion Detection Systems (IDS) simply a security software which is termed to help user or system administrator by automatically alert or notify at any case when a user tries to compromise information system through any malicious activities or at point where violation of security policies is taken.

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Some Great Open Source Intrusion Detection Systems (IDS)

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  1. Some Great Open Source Intrusion Detection Systems (IDSs)

  2. Introduction to IDS It’s simply a security software which is termed to help user or system administrator by automatically alert or notify at any case when a user tries to compromise information system through any malicious activities or at point where violation of security policies is taken. Intrusion Detection System (IDS) is designed to monitor an entire network activity, traffic and identify network and system attack with only a few devices.

  3. IDSs prepare for and deal with attacks by collecting information from a variety of system and network sources, then analyzing the symptoms of security problems.

  4. Some Benefits of IDS Monitors the operations of firewalls, routers and key management servers. Comes with extensive attack signature database against which information from the customers system can be matched. Can recognize and report alterations to data files. Allows administrator to tune, organize and comprehend often incomprehensible operating system audit trails and other logs.

  5. Intrusion Detection Techniques IDS signature detection Anomaly detection

  6. IDS Signature Detection Intrusion detection by signature is quite similar to virus detection. So it’s easy to implement. This type of detection works well with the threads that are already determined or known. It implicates searching a series of bytes or sequence that are termed to be malicious.

  7. Strength of IDS Signature Simple to implement Lightweight Low false positive rate High true positive rate for known attacks

  8. Anomaly Detection The anomaly detection technique is a centralized process that works on the concept of a baseline for network behaviour. This baseline is a description of accepted network behaviour, which is learned or specified by the network administrators, or both. Its integral part of baselining network is the capability of engine's to dissect protocols at all layers.

  9. Strength of Anomaly Detection Identifies abnormal usual behavior. Matches the attack with normal pattern. It's ability to recognize novel attacks. IDS can detect new types of attacks.

  10. What IDS Can Do? Protect your system. Secure the information flowing in the system. Matches the patterns of activity of a system to that of an attack. Attack detection for the IDS itself.

  11. Conclusion Select IDS according to your needs and requirement. There is about 400 different IDS on the market. Only a few of IDS Signature products integrate well in large environments, are scalable, and easy to maintain.

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